HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Carbomethoxy-7-hydroxy-8-propylchromone → 2-Carbomethoxy-7-[5-(2-allyl-4-carbomethoxyphenoxy)pentoxy]-8-n-propylchromone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Carbomethoxy-7-hydroxy-8-propylchromone | HCID 13920778 | — |
| Reactant | 5-(2-Allyl-4-carbomethoxyphenoxy)-1-bromopentane | HCID 20250462 | — |
| Product | 2-Carbomethoxy-7-[5-(2-allyl-4-carbomethoxyphenoxy)pentoxy]-8-n-propylchromone | HCID 20250466 | 96% |
Reaction Steps
Using the procedure of Example 2, 4.14 g (15.8 mmole) of methyl 7-hydroxy-8-n-propylchromone-2-carboxylate and 5.63 g (16.5 mmole) of the compound from Example 10 gave 7.9 g (96%) of the title compound, mp 87°-88°. Calc: C, 68.95; H, 6.61; Found; C, 68.49; H, 6.54.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04565882 |
| Source dataset | uspto-grants-1986_01 |
| ORD ID | ord-46eed200525341c69eb31b6f88506765 |
| Source note | uspto-grants-1986_01 |